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volcanoes
100
shield composite cinder cone
What are the the types of volcanoes
200
Alkalic
What is Rocks which contain above average amounts of sodium and/or potassium for the group of rocks for which it belongs.
300
Ash
What is Fine particles of pulverized rock blown from an explosion vent. Measuring less than 1/10 inch in diameter,
400
Ashfall
What is Volcanic ash that has fallen through the air from an eruption cloud. A deposit so formed is usually well sorted and layered
500
Asthenosphere
What is The shell within the earth, some tens of kilometers below the surface and of undefined thickness.